Home / 20,227.05-30,332.88-6,182.80

Finding the Fourth Proportional to 20,227.05, 30,332.88 and 6,182.80

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Solution

The fourth proportional to 20,227.05, 30,332.88 and 6,182.80 is: 9,271.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227.05 : 30,332.88 = 6,182.80 : x
  2. Step 2: Convert to fraction form
    20,227.05/30,332.88 = 6,182.80/x
  3. Step 3: Cross multiply
    20,227.05x = 30,332.88 × 6,182.80
  4. Step 4: Simplify right side
    20,227.05x = 187,542,054.63
  5. Step 5: Solve for x
    x = 187,542,054.63/20,227.05
  6. Step 6: Final answer
    x = 9,271.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.